CN107962879A - Printing device and its control method - Google Patents

Printing device and its control method Download PDF

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Publication number
CN107962879A
CN107962879A CN201810008254.6A CN201810008254A CN107962879A CN 107962879 A CN107962879 A CN 107962879A CN 201810008254 A CN201810008254 A CN 201810008254A CN 107962879 A CN107962879 A CN 107962879A
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CN
China
Prior art keywords
thin slice
conveying
printing
printing device
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810008254.6A
Other languages
Chinese (zh)
Other versions
CN107962879B (en
Inventor
西田知史
杉山范之
浅井泰之
田口基之
齐藤哲也
铃木义章
国广俊
国广俊一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Publication of CN107962879A publication Critical patent/CN107962879A/en
Application granted granted Critical
Publication of CN107962879B publication Critical patent/CN107962879B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B65H7/12—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation
    • B65H7/125—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation sensing the double feed or separation without contacting the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/0009—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material
    • B41J13/0018—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material in the sheet input section of automatic paper handling systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
    • B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/02—Rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/669—Advancing articles in overlapping streams ending an overlapping stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
    • B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/24—Feeding articles in overlapping streams, i.e. by separation of articles from a pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/36—Article guides or smoothers, e.g. movable in operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/004—Deskewing sheet by abutting against a stop, i.e. producing a buckling of the sheet
    • B65H9/006—Deskewing sheet by abutting against a stop, i.e. producing a buckling of the sheet the stop being formed by forwarding means in stand-by
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/70—Clutches; Couplings
    • B65H2403/72—Clutches, brakes, e.g. one-way clutch +F204
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/61—Longitudinally-extending strips, tubes, plates, or wires
    • B65H2404/611—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel
    • B65H2404/6111—Longitudinally-extending strips, tubes, plates, or wires arranged to form a channel and shaped for curvilinear transport path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1311—Edges leading edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1313—Edges trailing edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Handling Of Cut Paper (AREA)
  • Handling Of Sheets (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Conveyance By Endless Belt Conveyors (AREA)

Abstract

The present invention provides a kind of printing device and its control method.Wherein, which includes：Feed rolls, for feeding the printing thin slice being stacked in stackable unit；Conveying roller, the printing thin slice fed for conveying the feed rolls；Print unit, the printing thin slice for being conveyed to the conveying roller print；Conveying control unit, for controlling the conveying of printing thin slice, so that as the printing thin slice given from the stackable unit in advance in the rear end of preceding thin slice with printing the overlapped in the front end of rear thin slice of thin slice as from the stackable unit in back fed；And judging unit, for judging whether keeping described in preceding thin slice and described in the case of the overlap condition of rear thin slice, it is delivered to described in rear thin slice in face of the position of the print unit.

Description

Printing device and its control method
(it is on March 10th, 2015, Application No. 201510104450.X, entitled " printing the applying date that the application, which is, The divisional application of the application of equipment and its control method ".)
Technical field
The present invention relates to a kind of printing device for being printed by printhead to thin slice, and more particularly, relate to And it is a kind of be used for a part for rear thin slice with preceding thin slice it is a part of it is overlapping in the case of by thin slice be delivered to face beat Print the printing device of the print area of head.
Background technology
Japanese Unexamined Patent Publication 2000-15881 describes a kind of printing device, for being controlled such that in the front end of rear thin slice Fringe region is overlapping with the back edge region in preceding thin slice, which includes：It is multiple thin for separating and feeding one by one The feed unit of piece, print unit, the conveying list for thin slice to be delivered to print unit for forming image on thin slice Member, control the drive of feed unit for the detection unit that is detected to thin slice and for the signal according to detection unit Dynamic control unit.
However, equipment described in Japanese Unexamined Patent Publication 2000-15881 only can before the feeding of rear thin slice starts, Confirm just to start in the case of the back edge amount in preceding thin slice and the front edge amount in rear thin slice feeding in rear thin slice.This Spend the time to start technical problem of the feeding in rear thin slice in the presence of needs.
The content of the invention
The present invention considers the above problem, and provides a kind of even in no back edge amount confirmed in preceding thin slice With in the case of the front edge amount of rear thin slice, can also start feeding rear thin slice printing device.
According to the first aspect of the invention, there is provided a kind of printing device, including：Feed rolls, heap is stacked on for feeding Printing thin slice on folded unit；Conveying roller, the printing thin slice fed for conveying the feed rolls；And print unit, use Printed in the printing thin slice conveyed to the conveying roller, the printing device is characterized in that further including：Conveying control Unit, for controlling the conveying of printing thin slice, so that as the printing thin slice given from the stackable unit in advance preceding The rear end of thin slice as from the stackable unit in back fed with printing the overlapped in the front end of rear thin slice of thin slice；And Judging unit, for judge whether keep it is described in preceding thin slice and it is described in the overlap condition of rear thin slice in the case of will described in It is delivered in rear thin slice in face of the position of the print unit.
According to the second aspect of the invention, there is provided a kind of control method of printing device, the printing device include being used for Feed the feed rolls for the printing thin slice being stacked in stackable unit, print the defeated of thin slice for convey that the feed rolls are fed The print unit for sending roller and the printing thin slice for being conveyed to the conveying roller to be printed, the spy of the control method Sign is to comprise the following steps：Rate-determining steps are conveyed, for controlling the conveying of printing thin slice, so that stacking list as from described Member the advance printing thin slice given the rear end of preceding thin slice with as from the stackable unit in the back fed thin slice that prints It is overlapped in the front end of rear thin slice；And judgment step, for judging whether keeping described in preceding thin slice and described rear It is delivered in the case of the overlap condition of thin slice by described in rear thin slice in face of the position of the print unit.
By the explanation below with reference to attached drawing to exemplary embodiments, further feature of the invention will be apparent.
Brief description of the drawings
Fig. 1 is the figure operated for illustrating the overlapping continuous feed of printing device according to embodiments of the present invention；
Fig. 2 is the figure operated for illustrating the overlapping continuous feed of printing device according to embodiments of the present invention；
Fig. 3 is the figure operated for illustrating the overlapping continuous feed of printing device according to embodiments of the present invention；
Fig. 4 A and 4B are the figures for illustrating the structure of pick-up roller；
Fig. 5 is the block diagram for showing printing device according to the embodiment；
Fig. 6 A and 6B are the flow charts for showing overlapping continuous feed operation according to the embodiment；
Fig. 7 is for illustrating to make in rear thin slice and the figure in the overlapping operation of preceding thin slice；
Fig. 8 is for illustrating to make in rear thin slice and the figure in the overlapping operation of preceding thin slice；
Fig. 9 is the flow chart operated for illustrating the skew corrected according to the embodiment in rear thin slice；And
Figure 10 is for illustrating to calculate the flow chart in the operation of the front edge position of rear thin slice.
Embodiment
Carry out the embodiment that the present invention will be described in detail below with reference to attached drawing.
Fig. 1-3 is the sectional view operated for illustrating the overlapping continuous feed of printing device according to embodiments of the present invention. ST1 with reference to figure 1 is illustrated to the schematic structure of printing device according to the embodiment first.
In the ST1 of Fig. 1, reference numeral 1 represents printing thin slice.It is stacked with feeding pallet 11 (stackable unit) multiple Print thin slice 1.Pick-up roller 2 abuts on feeding pallet 11 the uppermost printing thin slice 1 that is stacked to pick up printing thin slice.Feeding The printing thin slice 1 that roller 3 is picked up to the downstream feeding pick-up roller 2 of thin slice conveying direction.Feeding driven voller 4 is fed roller 3 and applies Pressure together with feed rolls 3 to clamp printing thin slice 1, so as to feed printing thin slice 1.
The printing thin slice 1 that feed rolls 3 and feeding driven voller 4 are fed is delivered in face of the position of printhead 7 by conveying roller 5 Put.Pinch roller 6 is pressed to clamp printing thin slice together with conveying roller 5 by conveying roller 5, thus conveys printing thin slice.
The printing thin slice 1 that printhead 7 conveys conveying roller 5 and pinch roller 6 prints.In the present embodiment, by example Show by discharging the black ink jet-print head to be printed to printing thin slice 1 from printhead.Original text platform 8 is in face of the position of printhead 7 Put the reverse side of rest printing thin slice.Balladeur train 10 carries printhead 7 and is moved up in the side intersected with thin slice conveying direction.
The printing thin slice that printhead 7 is printed is expelled to the outside of equipment by distributing roller 9.Spur gear 12 and 13 they with The printing surface for the printing thin slice that printhead 7 is printed rotates in the case of being in contact.The spur gear 13 in downstream is discharged roller 9 and applies Pressure, configures in the position of the spur gear 12 in face of upstream side without distributing roller 9.Spur gear 12 is used to prevent printing thin slice 1 Float, and be also known as pressing spur gear.
The feeding clamping part and conveying roller 5 and pinch roller that conveying guiding piece 15 is formed in feed rolls 3 and feeding driven voller 4 Guiding printing thin slice 1 between the 6 conveying clamping parts formed.Front-end and back-end of the thin slice detection sensor 16 to printing thin slice 1 It is detected.Thin slice detection sensor 16 is configured in the downstream of thin slice conveying direction upper feeding roller 3.Thin slice pressing lever 17 makes rear The front end of thin slice is overlapping with the rear end of preceding thin slice.Pressed along the spring in an anticlockwise direction about rotation axis 17b in Fig. 1 to thin slice Bar 17 presses.
Fig. 4 A and 4B are the figures for illustrating the structure of pick-up roller 2.As described above, pick-up roller 2 is abutted on feeding pallet 11 The uppermost printing thin slice stacked is to pick up printing thin slice.Drive shaft 19 will feed the driving transmission of motor (described later on) To pick-up roller 2.In the case where pickup prints thin slice, the direction shown in the arrow A of drive shaft 19 and pick-up roller 2 in Fig. 4 A and 4B Upper rotation.Formed with projection 19a in drive shaft 19.Formed with the recess 2c fitted with projection 19a phases on pick-up roller 2.Such as Fig. 4 A institutes Show, in the case of the first face 2a for the recess 2c that pick-up roller 2 is abutted in projection 19a, the driving of drive shaft 19 is transferred to pickup Roller 2.In this case, when drive shaft 19 is driven, pick-up roller 2 also rotates.On the other hand, as shown in Figure 4 B, in projection In the case that 19a abuts the second face 2b of the recess 2c of pick-up roller 2, the driving of drive shaft 19 is not transferred to pick-up roller 2.At this In the case of kind, even if drive shaft 19 is driven, pick-up roller 2 does not also rotate.In addition, when projection 19a do not abut the first face 2a or Second face 2b and when being formed between the first face 2a and the second face 2b, even if drive shaft 19 is driven, pick-up roller 2 does not also rotate.
Fig. 5 is the block diagram for showing the printing device according to the present embodiment.MPU 201 controls the operation of each unit, at data Reason etc..Will be described later on, MPU 201 also serves as conveying control unit, which can control printing thin slice Conveying, so that in the rear end of preceding thin slice and overlapped in the front end of rear thin slice.The storages of ROM 202 will be performed by MPU 201 Program and data.RAM 203 temporarily stores the processing data to be performed by MPU 201 and the data received from host 214.
Print head driver 207 controls printhead 7.Balladeur train of the control of carriage motor driver 208 for drive carriage 10 Motor 204.Feeder motor 205 drives conveying roller 5 and distributing roller 9.Feeder motor driver 209 controls feeder motor 205.Feeding Motor 206 drives pick-up roller 2 and feed rolls 3.Feed the control feeding motor 206 of motor driver 210.
In host 214, in the case where user indicates the execution of printing, printer driver 2141 is used to pass through The type information of print image and print image quality etc. is collected to be communicated with printing device.MPU 201 is mono- via I/F Member 213 exchanges print image etc. with host 214.
ST1 to ST9 with reference to figure 1-3 is illustrated to the sequential of overlapping continuous feed operation.It is mono- via I/F in host 214 In the case of first 213 transferring printing datas, print data is handled by MPU 201, is then loaded onto in RAM 203.201 bases of MPU Start printing in the data loaded.
There is provided the ST1 with reference to figure 1 to explanation.Feeding motor driver 210 feeds motor 206 with low speed to drive.This When with 7.6 inch per seconds rotate pick-up roller 2.In the case where pick-up roller 2 rotates, being stacked on feeding, pallet 11 is uppermost beats Print thin slice is picked (in preceding thin slice 1-A).Pick-up roller 2 picked up preceding thin slice 1-A by with the same direction of pick-up roller 2 turn Dynamic feed rolls 3 convey.Feeding motor 206 also drives feed rolls 3.In the present embodiment, will illustrate includes pick-up roller 2 and feeding The structure of roller 3.However, it is also possible to using the knot for only including being used to feed the feed rolls of the printing thin slice stacked in stackable unit Structure.
The situation in the front end of preceding thin slice 1-A is detected in the thin slice detection sensor 16 that the downstream of feed rolls 3 is set Under, feeding motor 206 is switched to high-speed driving.That is, pick-up roller 2 and feed rolls 3 are rotated with 20 inch per seconds.
There is provided the ST2 with reference to figure 1 to explanation.In the case where feed rolls 3 are rotated further, in the front end of preceding thin slice 1-A Under the force of spring thin slice pressing lever 17 is rotated around rotation axis 17b in a clockwise direction.In the feelings that feed rolls 3 also continue to rotate Under condition, the conveying clamping part that conveying roller 5 and pinch roller 6 are formed is abutted in the front end of preceding thin slice 1-A.At this time, conveying roller 5 stops Only.Even if after conveying clamping part is abutted in the front end of preceding thin slice 1-A, carried out also by feed rolls 3 are rotated scheduled volume It is crooked when abutting conveying clamping part in the front end of preceding thin slice 1-A to correct in the alignment of preceding thin slice 1-A.Skew corrected is grasped It is also known as registration adjustment operation.
There is provided the ST3 with reference to figure 1 to explanation.At the end of being operated in the skew corrected of preceding thin slice 1-A, driving conveying electricity Machine 205 is to start the rotation of conveying roller 5.Conveying roller 5 conveys thin slice with 15 inch per seconds.When preceding thin slice 1-A and facing printhead After 7 position alignment, based on print data discharge the printing of ink from printhead 7.Note that by as described below Method carries out alignment function：The front end of printing thin slice is set to abut conveying clamping part so that printing thin slice is temporarily positioned at conveying roller At 5 position, and the amount of spin of conveying roller 5 is controlled with reference to the position of conveying roller 5.
The printing device of the present embodiment is the serial print equipment that balladeur train 10 carries printhead 7.By to using conveying roller 5 By print thin slice intermittent delivery scheduled volume conveying operations and in the case where conveying roller 5 stops movement being equipped with printhead 7 Balladeur train 10 while from printhead 7 discharge ink image forming operation repeated, come carry out printing printing thin slice operation.
Carrying out in the case of the alignment of preceding thin slice 1-A, feeding motor 206 is switched to driven at low speed.That is, pick-up roller 2 Rotated with feed rolls 3 with 7.6 inch per seconds.In the case where conveying roller 5 will print thin slice intermittent delivery scheduled volume, feeding electricity Machine 206 is also intermittent to drive feed rolls 3.That is, in the case where conveying roller 5 rotates, feed rolls 3 also rotate.Stop in conveying roller 5 In the case of, feed rolls 3 also stop.The velocity of rotation of feed rolls 3 is less than the velocity of rotation of conveying roller 5.Therefore, thin slice is conveying Stretched between roller 5 and feed rolls 3.Feed rolls 3 rotate together with the printing thin slice that conveying roller 5 is conveyed.
Driven due to feeding motor 206 by intermittence, drive shaft 19 is also driven.As described above, pick-up roller 2 turns Dynamic speed is less than the velocity of rotation of conveying roller 5.Therefore, pick-up roller 2 rotates together with the printing thin slice that conveying roller 5 is conveyed.That is, Pick-up roller 2 is first rotated than drive shaft 19.More specifically, the projection 19a of drive shaft 19 is separated from the first face 2a and is abutted second Face 2b.Therefore, after in the rear end of preceding thin slice 1-A by pick-up roller 2, without the thin slice of the printing of pickup second immediately (in rear thin slice 1-B).After drive shaft 19 is driven the scheduled time, projection 19a abuts the first face 2a and pick-up roller 2 starts to rotate.
There is provided the ST4 with reference to figure 2 to explanation.In ST4, show that pick-up roller 2 starts to rotate and picks up in rear thin slice The state of 1-B.The factors such as the response performance due to sensor, thin slice detection sensor 16 need pre- between thin slice is printed More than fixed interval detect the end of printing thin slice.That is, it needs to by the front end of rear thin slice 1-B and in the rear end of preceding thin slice 1-A Preset distance is separated, to provide from being detected when thin slice detection sensor 16 in the rear end of preceding thin slice 1-A, until detecting Predetermined time interval untill the front end of rear thin slice 1-B.In order to realize this purpose, the angle quilt of the recess 2c of pick-up roller 2 It is arranged to about 70 °.
There is provided the ST5 with reference to figure 2 to explanation.Convey that pick-up roller 2 picked up in rear thin slice 1-B by feed rolls 3. At this time, make to carry out image forming operation in preceding thin slice 1-A based on print data using printhead 7.In thin slice detection sensor 16 detect in the case of the front end of rear thin slice 1-B, and feeding motor 206 is switched to high-speed driving.That is, pick-up roller 2 and feeding Roller 3 is rotated with 20 inch per seconds.
There is provided the ST6 with reference to figure 2 to explanation.As shown in the ST5 of Fig. 2, thin slice pressing lever 17 presses down on preceding thin slice The rear end of 1-A.Can be by compared with it will shift to the speed in downstream in preceding thin slice 1-A using the printing of printhead 7, with more After high speed movement is formed in rear thin slice 1-B the front end of thin slice 1-B with the overlapping state in the rear end of preceding thin slice 1-A (ST6 of Fig. 2).Due to carrying out printing based on print data in preceding thin slice 1-A, by 5 intermittent delivery of conveying roller. On the other hand, detected in thin slice detection sensor 16 after the front end of rear thin slice 1-B, rear thin slice 1-B can by with 20 inch per second continuous rotation feed rolls 3 are caught up with preceding thin slice 1-A.
There is provided the ST7 with reference to figure 3 to explanation.The front end of thin slice 1-B in the rear end of preceding thin slice 1-A with weighing after being formed in After folded overlap condition, feed rolls 3 are conveyed in rear thin slice 1-B until conveying the upper of clamping part in the front end of rear thin slice 1-B Untill the precalculated position of trip stops.The feed rolls 3 after the front end of rear thin slice 1-B are detected according to thin slice detection sensor 16 Amount of spin calculated in the position of the front end of rear thin slice 1-B, and is controlled in the front end of rear thin slice 1-B based on the result of calculation Position.At this time, make to carry out image forming operation in preceding thin slice 1-A based on print data using printhead 7.
There is provided the ST8 with reference to figure 3 to explanation.Stop in conveying roller 5 to carry out the figure in last column of preceding thin slice 1-A In the case of forming operation (black discharging operation), feed rolls 3 are driven such that abuts conveying clamp in the front end of rear thin slice 1-B Portion is held, so as to carry out the skew corrected operation in rear thin slice 1-B.
There is provided the ST9 with reference to figure 3 to explanation.Terminate in the image forming operation of last column in preceding thin slice 1-A In the case of, can after being maintained at by the way that conveying roller 5 is rotated scheduled volume thin slice 1-B with the overlapping states of preceding thin slice 1-A To carry out the alignment in rear thin slice 1-B.Make to carry out printing in rear thin slice 1-B based on print data using printhead 7. For printing intermittent delivery in the case of rear thin slice 1-B, in preceding thin slice 1-A also by intermittent delivery, and finally It is expelled to by distributing roller 9 outside printing device.
Carrying out in the case of the alignment of rear thin slice 1-B, feeding motor 206 is switched to driven at low speed.That is, pick-up roller 2 Rotated with feed rolls 3 with 7.6 inch per seconds.If, also there are print data, handle to be back to Fig. 2 after rear thin slice 1-B ST4 with pick up the 3rd printing thin slice.
Fig. 6 A and 6B are the flow charts for showing to be operated according to the overlapping continuous feed of the present embodiment.In step sl, in master In the case that machine 214 is via 213 transferring printing data of I/F units, printing starts.In step s 2, start in preceding thin slice The feeding operation of 1-A.More specifically, feeding motor 206 is by with driven at low speed.Pick-up roller 2 is rotated with 7.6 inch per seconds.Pick-up roller 2 pickups are in preceding thin slice 1-A, and feed rolls 3 are fed in preceding thin slice 1-A to printhead.
In step s3, thin slice detection sensor 16 is detected in the front end of preceding thin slice 1-A.Examined in thin slice detection sensor 16 Measure in the case of the front end of preceding thin slice 1-A, in step s 4, feeding motor 206 is switched to high-speed driving.That is, pick-up roller 2 Rotated with feed rolls 3 with 20 inch per seconds.In step s 5, detected in thin slice detection sensor 16 in the front end of preceding thin slice 1-A Afterwards, by controlling the amount of spin of feed rolls 3 so that conveying clamping part is abutted in the front end of preceding thin slice 1-A, to carry out preceding thin The skew corrected operation of piece 1-A.
In step s 6, the alignment in preceding thin slice 1-A is carried out based on print data.That is, the rotation by controlling conveying roller 5 Amount, printing initiating position will be delivered to based on print data with reference to the position of conveying roller 5 in preceding thin slice 1-A.In the step s 7, Feeding motor 206 is switched to driven at low speed.In step s 8, ink is expelled in the case of preceding thin slice 1-A in printhead 7, Printing starts.More specifically, by conveying operations of 5 intermittent delivery of conveying roller in preceding thin slice 1-A and mobile balladeur train 10 and from printhead 7 discharge ink image forming operation (black discharging operation) repeated, to carry out the printing in preceding thin slice 1-A Operation.Motor 206 is synchronously fed with the intermittent driving of low speed with operation of 5 intermittent delivery of conveying roller in preceding thin slice 1-A. That is, pick-up roller 2 and feed rolls 3 are rotated so that 7.6 inch per seconds are intermittent.
In step s 9, the print data of lower one page is judged whether.If there is no the print data of lower one page, then Processing enters step S25.When completing in step s 25 in the printing of preceding thin slice 1-A, discharge is preceding in step S26 Thin slice 1-A, so as to terminate printing.
If there is the print data of lower one page, then start the feeding operation in rear thin slice 1-B in step slo.More Body, pick-up roller 2 is picked up in rear thin slice 1-B, and feed rolls 3 are fed in rear thin slice 1-B to printhead 7.Pick-up roller 2 is with 7.6 Inch per second rotates.As noted previously, as it is big relative to the recess 2c of the projection 19a of drive shaft 19 pick-up rollers 2 set, therefore Feeding is in rear thin slice 1-B in the case of relative to having predetermined space in the rear end of preceding thin slice 1-A.
In step s 11, thin slice detection sensor 16 is detected in the front end of rear thin slice 1-B.In thin slice detection sensor 16 Detect in the case of the front end of rear thin slice 1-B, feed motor 206 in step s 12 and be switched to high-speed driving.That is, pick up Roller 2 and feed rolls 3 are rotated with 20 inch per seconds.In step s 13, detected in thin slice detection sensor 16 rear thin slice 1-B's After front end, the amount of spin by controlling feed rolls 3 is conveyed in rear thin slice 1-B, so that being in defeated in the front end of rear thin slice 1-B Send before clamping part at the position of scheduled volume.Based on print data intermittent delivery in preceding thin slice 1-A.With high-speed and continuous drive into Be formed in motor 206 front end of rear thin slice 1-B with the overlapping overlap condition in the rear end of preceding thin slice 1-A.
In step S14, judge whether to meet predetermined condition (by described later on).If meeting predetermined condition, in step In rapid S15, judge whether the image forming operation in preceding thin slice 1-A has started.If it is determined that image forming operation has started, Then processing enters step S16.Otherwise, processing stops until image forming operation starts.In step s 16, overlapping shape is being kept In the case of state, make to abut conveying clamping part in the front end of rear thin slice 1-B, so as to carry out the skew corrected behaviour in rear thin slice 1-B Make.If it is judged as that the image forming operation of last column in preceding thin slice 1-A has terminated in step S17, in step S18 In, the alignment in rear thin slice 1-B is carried out in the case where keeping overlap condition.
If being judged as being unsatisfactory for predetermined condition in step S14, cancel overlap condition to carry out rear thin slice 1-B's Alignment.If more specifically, be judged as that the image forming operation of last column in preceding thin slice 1-A has terminated in step s 27, The discharging operation in preceding thin slice 1-A is then carried out in step S28.During the operation, feeding motor 206 is not driven, so that Thin slice 1-B stops in the case where its front end is at the position of scheduled volume before conveying clamping part afterwards.Due in preceding thin slice 1-A It is discharged, therefore overlap condition is cancelled.In step S29, make to abut conveying clamping part in the front end of rear thin slice 1-B to carry out Operated in the skew corrected of rear thin slice 1-B.In step S18, the alignment in rear thin slice 1-B is carried out.
In step S19, feeding motor 206 is switched to driven at low speed.In step S20, by by ink from 7 row of printhead Go out in rear thin slice 1-B, beginning printing.More specifically, by 5 intermittent delivery of conveying roller in the defeated of rear thin slice 1-B The image forming operation (black discharging operation) sent operation and mobile balladeur train 10 and ink is discharged from printhead 7 is repeated, to carry out In the printing of rear thin slice 1-B.With 5 intermittent delivery of conveying roller rear thin slice 1-B operation synchronously with driven at low speed into To motor 206.That is, pick-up roller 2 and feed rolls 3 are rotated so that 7.6 inch per seconds are intermittent.
In the step s 21, the print data of lower one page is judged whether.If there is the print data of lower one page, then Processing is back to step S10.If there is no the print data of lower one page, then the figure in rear thin slice 1-B is completed in step S22 In the case of forming operation, the discharging operation in rear thin slice 1-B is carried out in step S23 and terminates to beat in step s 24 Print operation.
Fig. 7 and 8 is for illustrating to be made in rear thin slice and the figure in the overlapping operation of preceding thin slice according to the present embodiment.By explanation After that has been explained in the step S12 and S13 of Fig. 6 be formed in the front end of thin slice with the overlapping overlap condition in the rear end of preceding thin slice Operation.
Fig. 7 and 8 is each to show feeding clamping part and conveying roller 5 and pinch that feed rolls 3 and feeding driven voller 4 are formed The enlarged drawing of part between the conveying clamping part that roller 6 is formed.
Sequentially explanation is conveyed to three states in the processing of printing thin slice using conveying roller 5 and feed rolls 3.By reference chart 7 ST1 and ST2 illustrates to be made the first state in rear thin slice immediately the operation of preceding thin slice.By the ST3 with reference to figure 8 and ST4 illustrates to be made in rear thin slice and the second state in the overlapping operation of preceding thin slice.ST5 with reference to figure 8 is illustrated to sentence The disconnected third state for whether carrying out operating in the skew corrected of rear thin slice in the case where keeping overlap condition.
In the ST1 of Fig. 7, control feed rolls 3 are to convey in rear thin slice 1-B, and thin slice detection sensor 16 detects The front end of thin slice 1-B afterwards.From thin slice detection sensor 16 to can make rear thin slice 1-B with the overlapping positions of preceding thin slice 1-A The section of P1 is defined as first interval A1.In first interval A1, into enforcement in the front end of rear thin slice 1-B immediately preceding thin slice The operation of the rear end of 1-A.Position P1 is determined based on the composition of the mechanism.
In the first state, may stop immediately following operation in first interval A1.As shown in the ST2 of Fig. 7, if rear thin The front end of piece 1-B before the P1 of position by the rear end of preceding thin slice 1-A, then it is overlapping with preceding thin slice in rear thin slice without making Operation.
In the ST3 of Fig. 8, the section from position P1 as described above to the position P2 for setting thin slice pressing lever 17 is defined For second interval A2.In second interval A2, into exercise rear thin slice 1-B with the overlapping operations of preceding thin slice 1-A.
In the second condition, make with the overlapping operation of preceding thin slice to stop in rear thin slice in second interval A2.Such as Shown in the ST4 of Fig. 8, if can not be caught up with the rear end of preceding thin slice 1-A in the front end of rear thin slice 1-B in second interval A2, Can not into exercise rear thin slice with the overlapping operation of preceding thin slice.
In the ST5 of Fig. 8, it is defined as 3rd interval A3 from the section of position P2 to position P3 as described above.Position P3 be in the step S13 of Fig. 6 rear thin slice stop in the case of in the position of the front end of rear thin slice.In rear thin slice 1-B and In the case where preceding thin slice 1-A is overlapping, rear thin slice 1-B conveyed so that rear thin slice 1-B front end in-position P3. In 3rd interval A3, judge whether in the case where keeping overlap condition by make rear thin slice 1-B abut conveying clamping part come Carry out the alignment in rear thin slice 1-B.That is, it is judged that be in the case where keeping overlap condition by perform skew corrected operation come into The capable alignment in rear thin slice, or carry out the alignment in rear thin slice by cancelling overlap condition and carrying out skew corrected operation.
Fig. 9 is the flow chart operated for the skew corrected in rear thin slice illustrated according to the present embodiment.It will be explained in The processing for judging whether to meet predetermined condition explained in the step S14 of Fig. 6.
It will be described below judging operation：Judgement is by being maintained at preceding thin slice 1-A and overlapping between rear thin slice 1-B Make to abut conveying clamping part in the front end of rear thin slice 1-B to carry out skew corrected operation in the case of state, still pass through cancellation In preceding thin slice 1-A and the overlap condition between rear thin slice 1-B, then make to abut conveying clamping part in the front end of rear thin slice 1-B To carry out skew corrected operation.
In step S101, operation starts.In step s 102, judge whether reach judgement in the front end of rear thin slice 1-B Position (the position P3 in the ST5 of Fig. 8).Judge that position (is in step S102 if do not reached in the front end of rear thin slice 1-B It is no), then do not know that by the way that scheduled volume will be conveyed in rear thin slice 1-B conveying clamping can be abutted in the front end of rear thin slice 1-B Portion, so that it is determined that carrying out skew corrected operation (step S103) only in rear thin slice, thus terminates to judge operation (step S104).That is, after in the rear end of preceding thin slice 1-A by conveying clamping part, only make to abut conveying clamping part in rear thin slice 1-B, To carry out skew corrected operation, the alignment in rear thin slice 1-B is then only carried out.
On the other hand, position P3 (being yes in step S102) is judged if it is determined that being reached in the front end of rear thin slice 1-B, Whether then judge in the rear end of preceding thin slice 1-A by conveying clamping part (step S105).If it is determined that preceding thin slice 1-A's Rear end is not by conveying clamping part (being yes in step S105), then overlapping with preceding thin slice in rear thin slice, so that it is determined that only Skew corrected operation (step S106) is carried out in rear thin slice.That is, only make rear thin slice 1-B abut conveying clamping part, with into Row skew corrected operates, and then only carries out the alignment in rear thin slice 1-B.
On the other hand, if it is determined that (being in step S105 not over conveying clamping part in the rear end of preceding thin slice 1-A It is no), then judge whether the lap in the rear end of preceding thin slice 1-A and in the front end of rear thin slice 1-B is less than threshold value (step S107). Updated in the position of the rear end of preceding thin slice 1-A with the printing in preceding thin slice 1-A.In the position of the front end of rear thin slice 1-B Put to be in and judge position as described above.That is, lap reduces with the printing in preceding thin slice 1-A.If it is determined that Lap is less than threshold value (being yes in step S107), then cancels overlap condition, and determines to carry out crooked school only in rear thin slice Positive operation (step S108).That is, after terminating in the image forming operation of preceding thin slice 1-A, rear thin slice 1-B not with preceding thin Piece 1-A is conveyed together.More specifically, feeder motor 205 drives conveying roller 5 to convey in preceding thin slice 1-A.However, do not drive into To roller 3.Therefore, overlap condition is cancelled.Also, only make to abut conveying clamping part in rear thin slice 1-B, to carry out skew corrected behaviour Make, then only carry out the alignment in rear thin slice 1-B.
If it is determined that lap is equal to or more than threshold value (being no in step S107), then judge carrying out in rear thin slice 1- In the case of the alignment of B pressing spur gear 12 (step S109) whether is got in rear thin slice 1-B.If it is determined that in rear thin slice 1- B does not get at pressing spur gear 12 (being no in step S109), then cancels overlap condition and determine to carry out only in rear thin slice Skew corrected operates (step S110).That is, after terminating in the image forming operation of preceding thin slice 1-A, rear thin slice 1-B not with Conveyed together in preceding thin slice 1-A.More specifically, feeder motor 205 drives conveying roller 5 to convey in preceding thin slice 1-A.However, not Drive feed rolls 3.Therefore, overlap condition is cancelled.Also, only make to abut conveying clamping part in rear thin slice 1-B, it is crooked to carry out Correct operation, then only carries out the alignment in rear thin slice 1-B.
If it is determined that getting at pressing spur gear 12 (being yes in step S109) in rear thin slice 1-B, then judge preceding thin It whether there is gap (step S111) between last column of piece and row before last column.If it is determined that do not deposit Gap (being no in step S111), then cancel overlap condition and determine to carry out skew corrected operation (step only in rear thin slice Rapid S112).If it is determined that there are gap (being yes in step S111), then carried out in the case where keeping overlap condition rear thin The skew corrected operation of piece 1-B, and carry out the alignment in rear thin slice 1-B.That is, when the image forming operation in preceding thin slice 1-A After end, make to abut conveying clamping part in rear thin slice 1-B in the case of overlapping with preceding thin slice 1-A in rear thin slice 1-B.More Specifically, by driving feeding motor 206 and feeder motor 205 to rotate conveying roller 5 and feed rolls 3 together.In skew corrected After operation, the alignment in rear thin slice 1-B is carried out in the case of overlapping with preceding thin slice 1-A in rear thin slice 1-B.
As described above, judge to be to maintain or cancel in preceding thin slice 1-A and the overlapping shape between rear thin slice 1-B The operation of state.
Figure 10 is for illustrating to be calculated after the alignment in rear thin slice in the front end of rear thin slice position according to the present embodiment The flow chart put.
In step s 201, processing starts.In step S202, the printable area of lamina dimensions is loaded with.Due to Uppermost printable position, i.e. upper end-face edge are specified, therefore the upper end-face edge of printable area is arranged to front position (step S203).Note that front position is defined as with a distance from conveying clamping part.
Load the first print data (step S204).Using the processing, before specified first print data is relative to thin slice The position (detection of nonprinting region) at end, so as to judge whether the distance between front end and first print data of thin slice are more than The front position (step S205) set before.If the distance between the front end of thin slice and the first print data are set before being more than The front position (being yes in step S205) put, then before being updated by the distance between the front end of thin slice and first print data End position (step S206).If the distance between the front end of thin slice and the first print data equal to or less than before setting before End position (being no in step S205), then processing enter step S207.
Then, the first balladeur train movement instruction (step S207) is generated.Judge the thin slice conveying capacity for the movement of the first balladeur train Whether the front position (step S208) set before is more than.Before if the thin slice conveying capacity for the movement of the first balladeur train is more than The front position (being yes in step S208) of setting, then update front end position by the thin slice conveying capacity moved for the first balladeur train Put (step S209).If (walked equal to or less than the front position set before for the thin slice conveying capacity of the first balladeur train movement It is no in rapid S208), then do not update front position.In this way, it is thus identified that in the front position (step of rear thin slice 1-B S210), and processing terminates (step S211).Based on the front position confirmed, can interpolate that (the step S109 of Fig. 9) into Whether row gets at pressing spur gear 12 in the case of the alignment of rear thin slice 1-B in rear thin slice 1-B.
As described above, according to above-described embodiment, by judge whether keep making the front end of rear thin slice 1-B with preceding thin It will be delivered in the case of overlap condition in the case that the rear end of piece 1-A is overlapping in rear thin slice in face of the position of printhead 7, i.e., Make not confirm the edge amount in the rear end of preceding thin slice and the edge amount in the front end of rear thin slice, can also start feeding rear thin Piece.
Using printhead 7 in the case of the printing of preceding thin slice 1-A, examine in thin slice detection sensor 16 Measure before the front end of rear thin slice 1-B, synchronous driving feeding motor 206 and feeder motor 205, and detect and sense in thin slice Device 16 detect continues after the front end of preceding thin slice driving feeding motor 206, be enable into exercise rear thin slice with Operated in overlapping the closely following of preceding thin slice.
Other embodiments
Can also to be recorded in storage medium (can also be " non-transient computer-readable to deposit by full name by reading and performing Storage media ") on computer executable instructions (for example, one or more program) to carry out one or more in above-described embodiment The system of a function or the computer of equipment, and/or including the work(for carrying out one or more of above-described embodiment Can one or more circuits (such as specific with integrated circuit (ASIC)) and by carry out following methods realize it is of the invention Embodiment, wherein, for example, read by the computer of system or equipment from storage medium and perform computer executable instructions into Row this method, to carry out the function of one or more of above-described embodiment, and/or the one or more circuits of control, to carry out The function of one or more of above-described embodiment.Computer can include one or more processors (for example, central processing list First (CPU), microprocessing unit (MPU)), and the net of separated computer or separated computer processor can be included Network, to read and perform computer executable instructions.Computer can be can perform into finger for example, by network or storage medium Order is supplied to computer.Storage medium can include such as hard disk, random access memory (RAM), read-only storage (ROM), Memory, CD (such as compact disk (CD), digital versatile disc (DVD) or the Blu-ray Disc of distributed computing system (BD)TMDeng), one or more of flash memory device and storage card etc..
While the present invention has been described with reference to the exemplary embodiments, it should be appreciated that, the invention is not restricted to disclosed Exemplary embodiments.The scope of the appended claims meets most wide explanation, to include all such modification, equivalent arrangements and work( Energy.

Claims (13)

1. a kind of printing device, including：
Feed rolls, for feeding thin slice；
Conveying roller, the thin slice fed for conveying the feed rolls；
Print unit, for the print image on the thin slice that the conveying roller is conveyed；And
Convey control unit, for be formed in the front end of rear thin slice with the overlapping overlap condition of preceding thin slice,
Wherein, the conveying control unit is used to after the overlap condition is formed carry out the first conveying operations or the second conveying Operation, wherein in first conveying operations, is delivered in the case where keeping the overlap condition by described in rear thin slice Start the printing initiating position of printing using the print unit, and in second conveying operations, it is described The rear end of preceding thin slice and it is described there is interval between the front end of rear thin slice in the case of, by it is described be delivered in rear thin slice it is described Printing initiating position.
2. printing device according to claim 1, wherein,
Described in the case where preceding thin slice and the lap in rear thin slice are less than threshold value, the conveying control unit carries out Second conveying operations.
3. printing device according to claim 1, wherein,
It is described when rear thin slice is delivered to the printing initiating position described in the front end of rear thin slice do not reach precalculated position In the case of, the conveying control unit carries out second conveying operations.
4. printing device according to claim 1, wherein,
The situation in gap is not present between described last column in preceding thin slice and row before described last column Under, the conveying control unit carries out second conveying operations.
5. printing device according to claim 1, wherein,
The conveying control unit is used to, in the case where carrying out second conveying operations, described in the rear end of preceding thin slice lead to Cross after the conveying roller, the printing initiating position is delivered in rear thin slice by described using the conveying roller.
6. printing device according to claim 1, wherein,
If the conveying control unit does not form the overlap condition, the conveying control unit conveying is described in preceding thin slice With described in rear thin slice so that it is described in the rear end of preceding thin slice and it is described between the front end of rear thin slice have interval.
7. printing device according to claim 1, wherein,
It is described conveying control unit be used for it is described in the rear end of preceding thin slice and it is described between the front end of rear thin slice have interval In the case of, the feed rolls is started feeding described in rear thin slice.
8. printing device according to claim 1, wherein,
The conveying control unit is used to form the overlap condition between the feed rolls and the conveying roller.
9. printing device according to claim 8, wherein,
The conveying control unit be used for the conveying conveying roller in preceding thin slice is intermittent rotate in the case of, make into To the feed rolls continuous rotation in rear thin slice so that it is described caught up with rear thin slice it is described in preceding thin slice.
10. printing device according to claim 8, wherein,
The conveying control unit be used to make described in feeding rear thin slice the feed rolls with more described in preceding thin slice than conveying The high velocity of rotation of the velocity of rotation of the conveying roller rotates so that it is described caught up with rear thin slice it is described in preceding thin slice.
11. printing device according to claim 1, wherein,
It is described conveying control unit be used for formed including it is described the preceding part of the front end of rear thin slice with described after preceding thin slice Partly overlapping overlap condition.
12. printing device according to claim 1, wherein,
The conveying control unit is used to utilize printing of the print unit to described last column in preceding thin slice Before completion, judgement is to carry out first conveying operations or second conveying operations.
13. a kind of control method of printing device, the printing device include：Feed rolls, for feeding thin slice；Conveying roller, is used In the thin slice that the conveying feed rolls are fed；And print unit, for being printed on the thin slice that the conveying roller is conveyed Image, the control method comprise the following steps：
First supplying step, for be formed in the front end of rear thin slice with the overlapping overlap condition of preceding thin slice；And
Second supplying step, for carrying out the first conveying operations or the second conveying operations after first supplying step, its In in first conveying operations, be delivered in the case where keeping the overlap condition by described in rear thin slice described in utilization Print unit starts the printing initiating position of printing, and in second conveying operations, described in preceding thin slice Rear end and it is described between the front end of rear thin slice have interval in the case of, by it is described rear thin slice be delivered to it is described printing start Position.
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